Chapter 13, Problem 45A

What would be the effect on Earth’s tides if the diameter of Earth were larger than it is? If Earth were as it presently is, but the moon were larger—with the same mass?

To determine

To Explain: The effect on Earth's tides if the diameter of Earth were longer than present.

The effect on Earth's tides if the diameter of Moon were longer than present.

Explanation of Solution

Introduction:

Tides on Earth are caused by the gravitational force of moon and Sun. Tides are defined as the fall and rise of water level of ocean due to the gravitational force of moon and Sun.

There are two types of tides- one is low tides and second is high tides.

Generally, high, and low tides are due to Moon's gravitational pull which is also known as the tidal force.

If the radius of earth is increased, then the low tides would be lower and high tides would be higher than usual.

Now, if only the diameter of moon is increased then it does not have any effect on the earth's Tides.